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Current AffairsCzech scientists: extinction of dinosaurs was caused by asteroid collision
65 million years ago a huge cosmic body crashed into the Earth, causing
large fires all over the globe. The sudden change of climate wiped out most
of the planet's vegetation and species, including the dinosaurs. Scientists
have long argued whether the Earth was hit by a comet or an asteroid. Until
recently, chemical evidence indicated it was a comet. Now, however, a team
consisting of two Czech and one US scientist has come up with new facts.
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Current AffairsCould the Czech basin have been created through meteoritic impact?
This week the Czech newsmagazine Tyden reported on a theory that the
so-called Czech basin, or massif, which makes up most of Bohemia, may have
been created by a meteorite hitting the area around 2 billion years ago.
The impact of the celestial object hitting the Earth would have been
comparable to the force of many combined nuclear blasts. Generally, the
Czech basin is thought to have been formed through plate tectonics, but
now
some scientists are considering a different possibility.. More
Current AffairsMeteorite's origin traced by Czech geologists
Every year new meteorites are found on different parts of planet Earth.
They travel for millions of years and it is usually impossible to say
where they came from - but in just one case Czech geologists think they
know - North-East Africa 003 is believed to have originally come from the
Sea of Rains on the moon.
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Current AffairsPrague astronomical congress strips Pluto of planet status
It is now official: Our solar system has only eight planets. In Thursday's
vote at the General Assembly of the International Astronomical Union here
in Prague, astronomers from all over the world approved a definition of
what a planet is and decided to relegate Pluto into a special category
called "dwarf planets". As a result of the Prague congress,
textbooks around the world will now have to be rewritten.
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Current AffairsWorld's astronomers meet in Prague for talks on Big Bang, tiny bodies and Pluto
The world's astronomers began gathering in Prague on Monday for a summit
which could resolve - among other things - whether Pluto is a planet or
simply a big rock floating on the outer edges of the solar system. The
Pluto issue is just one of hundreds of topics up for debate over the next
12 days, as the International Astronomical Union holds its first General
Assembly meeting in Prague for 39 years.
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Current AffairsOndrejov Observatory celebrates 100th anniversary
100 years ago to the day, the first astronomical observation was carried
out in the Ondrejov Observatory southeast of Prague. Only a modest
establishment at the beginning, it has grown into the largest scientific
observatory in the country. Since 1953, it has been part of the
Astronomical Institute of the Czechoslovak (Czech) Academy of Sciences and
it also houses the largest telescope in the Czech Republic as well as
Central Europe.
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Current AffairsCzech scientists continue "listening out" for missing spacecraft
Shortly after its launch on Tuesday evening, the world's first
solar-sail-powered spacecraft, Cosmos 1, fell silent. But its command
stations around the world, including one in the Czech Republic, haven't
given up, and have continued trying to pick up some signal from the
missing craft.
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Czech ScienceCzech-made appliance to operate on International Space Station
In two months' time, an electronic appliance developed by a research team
in the Czech city of Brno is to be sent into space. It will be delivered
to the International Space Station, where it is expected to operate for
one year. Meanwhile the team in Brno are busy finishing another
international space research project.
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Czech ScienceAstronomer Zdenek Ceplecha receives lifetime achievement award
The Czech Astronomical Society has given a lifetime achievement award to
astronomer Zdenek Ceplecha from the Astronomical Institute of the Czech
Academy of Sciences.
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